Perhaps you should try some spelling variations:
sach tay » sach nay, sach tai, sach ty
sach hay » sach han, sach ha, sach nay
xach tay » canh tay
va hanh » van hanh, va thanh, va danh
cau luc » cau truc, cau phuc
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
cua te » cua tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((((sach tay) OR (sach hay))) or (xach tay)) lang xa hoi. hieu ve cau luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach tay) OR (sach hay))) OR (xach tay)) lang xa hoi. hieu ve cau luc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((((sach tay) OR (sach hay))) or (xach tay)) lang xa hoi. hieu ve cau luc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((((sach tay) OR (sach hay))) or (xach tay)) lang xa hoi. hieu ve cau luc va hanh vi cua te*.